Ever since I found out about the Statistical Atlas of the United States, it annoyed me that there wasn't one in the works for the 2010 Census due to cuts in funding. So I recreated the original 1870 Atlas using today's publicly available data.

If you're new to R or coding in general, it can be a challenge to figure out where you're going. Where to start? What to learn next? There's a benefit to more guided instruction. Here's a course to help take you from beginner to advanced.

You can customize graphics in R with par(), but the docs are mostly text and just organized alphabetically. Here is a more visual reference, categorized by what you can change. Plus, a one-page printout.